At London’s H2O, we are more than just water hygiene specialists — we are trusted advisors, engineers, and compliance experts committed to the long-term safety and performance of your water systems. With years of hands-on experience and technical expertise, we work across a wide range of sectors and building environments, helping our clients stay safe, compliant, and confident in the systems they rely on every day.

Our core services include water treatment, pre‑commission cleaning, Legionella risk assessments, and ongoing maintenance programmes, all delivered with a focus on professionalism, integrity, and measurable results. Whether you’re overseeing the installation of a new HVAC system, managing a large public facility, or maintaining a residential property portfolio, our team is here to support you at every stage — from design and commissioning through to routine servicing and compliance audits.

We operate to the highest industry standards, including BSRIA BG29/2021, BS8552, and the Health & Safety Executive’s ACOP L8, ensuring that every piece of work we undertake meets not only regulatory expectations but also the practical needs of your site. Our approach is proactive and solution-focused, blending technical precision with real-world practicality to prevent issues before they arise.

What sets London’s H2O apart is our genuine commitment to each client’s success. We believe in building strong working relationships based on transparency, clear communication, and a shared goal of operational excellence. From the very first consultation, our engineers take the time to understand your system and tailor our services to suit your specific environment and risk profile.

We’ve worked on a wide variety of buildings and infrastructure, including commercial properties, schools, hospitals, care homes, data centres, industrial sites, and new residential developments. We understand the unique challenges each setting presents and adapt our strategies accordingly, ensuring minimal disruption and maximum protection.

With full nationwide coverage, responsive support, and a team that’s as friendly as they are technically skilled, London’s H2O is your dependable partner in water hygiene. Our mission is simple: to help you protect your people, preserve your infrastructure, and ensure long-term system reliability — safely, efficiently, and without compromise.

Let us help you stay one step ahead of water safety and compliance.